wiretapper

Even with the session key, wiretappers would still need to collect a full copy of the encrypted call, which can be a significant challenge.

They were introduced by a mutual acquaintance, wiretapper Jimmy Vaus, who had converted to Christianity after attending Graham sermons.

When it comes to modern law enforcement surveillance, no one watches the wiretappers.

In other words," he resumed, "it might be used for eavesdropping by a wireless wiretapper.